Genetic Mapping and QTL Analysis of Growth Traits in the Large Yellow Croaker Larimichthys crocea

被引：34
作者：
Ye, Hua [1 ,2 ]
Liu, Yang [1 ]
Liu, Xiande [1 ]
Wang, Xiaoqing [3 ]
Wang, Zhiyong [1 ]
机构：
[1] Jimei Univ, Key Lab Hlth Mariculture East China Sea, Minist Agr Peoples Republ China, Xiamen 361021, Peoples R China
[2] Southwest Univ, Fisheries Breeding & Hlth Cultivat Res Ctr, Chongqing 402460, Peoples R China
[3] Hunan Agr Univ, Coll Anim Sci & Technol, Changsha 410128, Hunan, Peoples R China
来源：
MARINE BIOTECHNOLOGY | 2014年 / 16卷 / 06期
基金：
中国国家自然科学基金; 国家高技术研究发展计划(863计划);
关键词：
Larimichthys crocea; Linkage map; Microsatellite; EST-SSR; Growth trait; QTL; MICROSATELLITE LINKAGE MAP; CATFISH ICTALURUS-PUNCTATUS; COMPARATIVE GENOME ANALYSIS; TROUT ONCORHYNCHUS-MYKISS; SALMO-SALAR REVEALS; ASIAN SEA-BASS; PSEUDOSCIAENA-CROCEA; JAPANESE FLOUNDER; CHANNEL CATFISH; SEGREGATION DISTORTION;
D O I：
10.1007/s10126-014-9590-z
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
Large yellow croaker (Larimichthys crocea) is an important maricultured species in China. A genetic linkage map of the large yellow croaker was constructed using type II microsatellites and expressed sequence tag (EST)-derived microsatellites in two half-sib families (two females and one male). A total of 289 microsatellite markers (contained 93 EST-SSRs) were integrated into 24 linkage groups, which agreed with the haploid chromosome number. The map spanned a length of 1,430.8 cm with an average interval of 5.4 cm, covering 83.9 % of the estimated genome size (1,704.8 cm). A total of seven quantitative trait locis (QTLs) were detected for growth traits on five linkage groups, including two 1 % and five 5 % chromosome-wide significant QTLs, and explained from 2.33 to 5.31% of the trait variation. The identified QTLs can be applied in marker-assisted selection programs to improve the growth traits.
引用
收藏
页码：729 / 738
页数：10
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